S&P 400 MidCap Uptrend Replay (1985-10-08 to 1986-07-03)
Replay 150 daily bars of the S&P 400 MidCap from 1985-11-01 to 1986-06-06, watching it climb 31.7%. Walk through 11 decision points, including 4 critical ones, and receive an AI coach review after each simulated trading day.
150 daily bars · 11 decision points · 1985-11 to 1986-06 · Stocks
Key facts
This window spans 217 days with a peak-to-trough drawdown of 4.0% and a 31.8% run-up.
- Max drawdown
- −4.0%
- Max run-up
- +31.8%
- Duration
- 217 days
- Largest single-day move
- −1.8%
- Bars
- 150 Daily bars
- Decision points
- 11
Every figure above is computed programmatically from this replay’s own candle series — no editorial input, no LLM. Methodology: Methodology
The market advances day by day. You only see candles up to the current day — as if you were really there.
At key decision points choose Buy / Trim / Exit / Hold. Each decision advances the timeline by one day.
After settlement you get a six-dimension score and an AI coach review. Your result enters the scenario leaderboard.
Event Replay
What happened — and what it teaches
The S&P 400 MidCap index captures a pivotal era in American equities history. From November 1985 to June 1986, mid-cap stocks were gaining institutional favor as the economic recovery took hold. This 150-day replay places participants directly into that environment—a sustained advance where patience and discipline mattered more than dramatic catalysts. The scenario simulates what it felt like to navigate a rising market without the certainty of hindsight.
The index climbed 31.7% over the period, moving from 59.36 to 78.19. Notably, the largest single-bar move reached just 1.8%, while maximum drawdown stayed a restrained 4.0%. Participants faced 11 decision points, including 4 critical junctures that tested entry timing, position management, and conviction. The replay captures how quiet conviction in an uptrend can compound into meaningful gains without requiring dramatic intervention.
This scenario trains traders to manage process over prediction. A 4.0% drawdown tests discipline—will participants cut winners too early or hold through normal fluctuation? The 1.8% daily moves remind us that even strong trends unfold gradually. Eleven decision points mean every session offers a fresh evaluation. For decision training, the value lies not in calling the top but in building consistent habits that let profitable trends run while keeping risk bounded.